Summary

MailEnable Professional 1.6 and prior and Enterprise Edition 1.1 and prior contain an issue that could allow a remote attacker to execute arbitrary code on the affected system.

The issue exists due to a boundary error in the W3C logging feature. A remote attacker could exploit this issue to cause a buffer overflow and possibly gain the ability to execute arbitrary code with privileges of the affected service.

Proof-of-concept code is available.

Patches are available.

Safeguards

Administrators are advised to apply the hotfix provided by MailEnable.

Administrators are advised to closely monitor affected systems.

Administrators may consider disabling logging until the hotfix application is complete.

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